List of Articles optimized condition Open Access Article Abstract Page Full-Text 1 - Photocatalytic degradation of Malachite Green by Sr3MxAl2O6+δ ﴾M=None, Sm3+, Eu3+, Ho3+ and Yb3+) nanomaterial as an excellent and recyclable photocatalyst Alireza Hakimyfard shahin khademinia